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4 Mechanical and Electrical
4.1 Illumination Mechanism
4.1.1 Overview
The Illumination Mechanism efficiently uses the light produced by the
Projection Lamp to supply the most suitable amount of light for the
projection of the Microfilm. This amount of light is determined by the size
of the Microfilm and by the magnification ratio of the Lens selected for use.
4.1.2 Projection Lamp (LA1)
A DC20V, 150W halogen Lamp is used as the light source for the reader
and printer functions.
The Projection Lamp is integrated with a Lamp Reflector which is a
polygon mirror to ensure even illuminance.
NOTE
1. Whenever the Projection Lamp Unit is removed, Make sure that the
Power Switch is turned OFF.
2. Never touch the Projection Lamp immediately after it is turned OFF:
be careful, it is extremely hot.
3. Do not touch with hand or dirty with grease the surfaces of the
Projection Lamp and Lamp Reflector.
Projection Lamp (LA1)